package com.xmhmyh.generalframework.framework.config;

import com.xmhmyh.generalframework.framework.security.MyUserDetailService;
import com.xmhmyh.generalframework.framework.security.filter.JWTSecurityFilter;
import com.xmhmyh.generalframework.framework.security.handlers.AuthenticationEntryPointImpl;
import com.xmhmyh.generalframework.framework.security.handlers.LogoutSuccessHandlerImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.firewall.DefaultHttpFirewall;
import org.springframework.security.web.firewall.HttpFirewall;
import org.springframework.security.web.firewall.StrictHttpFirewall;

/**
 * @Author: 于丁
 * @DateTime: 2020/7/20 6:47 下午
 */
//开启权限注解
@EnableGlobalMethodSecurity(securedEnabled = true,prePostEnabled = true)
public class MySpringSecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private AuthenticationEntryPointImpl authenticationEntryPoint;
    @Autowired
    private MyUserDetailService myUserDetailService;
    @Autowired
    private JWTSecurityFilter jwtSecurityFilter;
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    @Override
    public void configure(WebSecurity web) throws Exception {
        super.configure(web);
        web.httpFirewall(defaultHttpFirewall());
    }
    @Bean
    public HttpFirewall defaultHttpFirewall() {
        return new DefaultHttpFirewall();
    }
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        /**
         * anyRequest          |   匹配所有请求路径
         * access              |   SpringEl表达式结果为true时可以访问
         * anonymous           |   匿名可以访问
         * denyAll             |   用户不能访问
         * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
         * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
         * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
         * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
         * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
         * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
         * permitAll           |   用户可以任意访问
         * rememberMe          |   允许通过remember-me登录的用户访问
         * authenticated       |   用户登录后可访问
         */
        httpSecurity
                // CRSF禁用，因为不使用session
                .csrf().disable()
                // 认证失败处理类
                .exceptionHandling().authenticationEntryPoint(authenticationEntryPoint).and()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                // 过滤请求
                .authorizeRequests()
                // OPTIONS请求全部放行
                .antMatchers(HttpMethod.OPTIONS, "/**").permitAll()
                // 后台登录接口
                .antMatchers("/sys/user/login").permitAll()
                .antMatchers("/ws/**").permitAll()
                .antMatchers("/webSocket/**").permitAll()
                .antMatchers(
                        HttpMethod.GET,
                        "/*.html",
                        "/**/*.html",
                        "/**/*.css",
                        "/**/*.js"
                ).permitAll()
                .antMatchers("/swagger-ui.html").permitAll()
                .antMatchers("/swagger-resources/**").permitAll()
                .antMatchers("/webjars/**").permitAll()
                .antMatchers("/*/api-docs").permitAll()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated()
                .and()
                .headers().frameOptions().disable();
        httpSecurity.logout().logoutUrl("/sys/user/logout").logoutSuccessHandler(logoutSuccessHandler);
        httpSecurity.addFilterBefore(jwtSecurityFilter, UsernamePasswordAuthenticationFilter.class);
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份认证接口
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {

        auth.userDetailsService(myUserDetailService).passwordEncoder(bCryptPasswordEncoder());
    }



}
